X-ray source around the patient, and simultaneously rotates a set of electronic receptors on the opposite side.

ECONOMIST: Chopping wood

Besides revealing clues about the lost galaxy, the black hole itself, called HLX-1 (Hyper-Luminous X-ray source 1), is scientifically interesting, researchers said.

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Interestingly, an April 18 paper in the journal Nature reported that upper limits for neutrinos measured from IceCube are low enough that gamma-ray bursts are unlikely to be the sole source of ultra-high energy cosmic rays.

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The source itself works a little like the cathode-ray tube of a television.

ECONOMIST: Medical technology

As a video processor module in a small mini-box, the new accessory is simply placed in-line at the output of any HDMI video source, such as a video game console, DVD or Blu-ray player, media player, or any digital broadcast.

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"It's correlating the increasing intensity in different bands that provides really important clues about the structure of the source, " Prof Madejski - a co-investigator on the NuStar X-ray telescope, told BBC News.

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